CN104714570A - Method for cooling a converter - Google Patents
Method for cooling a converter Download PDFInfo
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- CN104714570A CN104714570A CN201310684781.6A CN201310684781A CN104714570A CN 104714570 A CN104714570 A CN 104714570A CN 201310684781 A CN201310684781 A CN 201310684781A CN 104714570 A CN104714570 A CN 104714570A
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- transverter
- cooling
- power consumption
- cooling system
- refrigerant
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Abstract
The invention provides a cooling method of a converter, which comprises the following steps: s10, determining the power consumption of the current converter; and S20, adjusting the cooling intensity of a cooling system for cooling the inverter through the power consumption of the inverter. By applying the cooling method of the current converter, the cooling strength of the cooling system is adjusted by determining the power consumption of the current converter, so that the temperature detection devices are prevented from being arranged at each position of the current converter, the system is simplified, and the aims of reducing the number of the temperature detection devices and the number of corresponding wires and reducing the production cost are fulfilled.
Description
Technical field
The present invention relates to cooling means field, in particular to a kind of cooling means of transverter.
Background technology
Due to containing power semiconductor device, generate heat during transverter work more severe, need to adopt cooling system to dispel the heat, to reduce the temperature of transverter.Scheme of the prior art is all the temperature by detecting transverter, then regulates fan start and stop or wind speed (for air cooling way), cold medium flux (for the refrigerant type of cooling) or the discharge (for water-cooling pattern) etc. of cooling system according to detected temperatures.For the refrigerant type of cooling, if transverter temperature is higher, then cold medium flux increases, and strengthens cooling effect; If transverter temperature is lower, then cold medium flux reduces, and weakens cooling effect, transverter temperature is remained in the scope of needs.
The shortcoming of prior art: technical scheme of the prior art needs the temperature detecting transverter, but consider that the temperature distributing disproportionation situation of transverter exists, often need the several temperature acquisition point of many layouts, thus cause temperature detection device quantity and corresponding wiring to increase, the technical matters that production cost rises.
Summary of the invention
The present invention aims to provide a kind of cooling means of transverter, to reach the quantity and corresponding wiring quantity that reduce temperature detection device, reduces the object of production cost.
To achieve these goals, the invention provides a kind of cooling means of transverter, comprise the following steps: S10, determine the power consumption of transverter; S20, regulated the intensity of cooling of the cooling system for cooling transverter by the power consumption of transverter.
Further, the input end of transverter is connected with power supply, and the output terminal of transverter is connected with load, and step S10 comprises: the power input P detecting transverter
1; Detect the power consumption P of load
2; Determine the power consumption P of transverter
3, wherein, P
3=P
1-P
2.
Further, step S20 comprises: when the power consumption of transverter rises, increase the intensity of cooling of cooling system, when the power consumption of transverter declines, reduces the intensity of cooling of cooling system.
Further, step S20 comprises: when the power consumption of transverter is zero, stop the cooling to transverter.
Further, cooling system is connected with Control Component, Control Component gathers the power of power supply and load respectively, and step S20 comprises: the power consumption being calculated transverter by Control Component, and makes Control Component regulate the intensity of cooling of cooling system according to the power consumption of transverter.
Further, cooling system comprises air cooling system, and air cooling system comprises fan, and step S20 comprises: when the power consumption of transverter rises, increase the rotating speed of fan; When the power consumption of transverter declines, reduce the rotating speed of fan.
Further, cooling system comprises water-cooling system, and water-cooling system comprises Water flow adjusting valve, and step S20 comprises: when the power consumption of transverter rises, increase the aperture of Water flow adjusting valve, to increase the discharge of water-cooling system; When the power consumption of transverter declines, reduce the aperture of Water flow adjusting valve, to reduce the discharge of water-cooling system.
Further, cooling system comprises refrigerant cooling system, and refrigerant cooling system comprises refrigerant variable valve, and step S20 comprises: when the power consumption of transverter rises, increase the aperture of refrigerant variable valve, to increase the cold medium flux of refrigerant cooling system; When the power consumption of transverter declines, reduce the aperture of refrigerant variable valve, reduce with the cold medium flux reducing refrigerant cooling system.
Apply the cooling means of transverter of the present invention, by determining the power consumption of transverter, regulate the intensity of cooling of cooling system, thus each location arrangements temperature detection device at transverter can be avoided, system is simplified, and then reach the quantity and corresponding wiring quantity that reduce temperature detection device, reduce the object of production cost.
Accompanying drawing explanation
The Figure of description forming a application's part is used to provide a further understanding of the present invention, and schematic description and description of the present invention, for explaining the present invention, does not form inappropriate limitation of the present invention.In the accompanying drawings:
Fig. 1 is the schematic diagram of the syndeton of transverter in the embodiment according to transverter cooling means of the present invention;
Fig. 2 is the schematic diagram of the first embodiment of cooling means according to transverter of the present invention;
Fig. 3 is the schematic diagram of the second embodiment of cooling means according to transverter of the present invention;
Fig. 4 is the schematic diagram of the 3rd embodiment of cooling means according to transverter of the present invention.
Embodiment
It should be noted that, when not conflicting, the embodiment in the application and the feature in embodiment can combine mutually.Below with reference to the accompanying drawings and describe the present invention in detail in conjunction with the embodiments.
The invention provides a kind of cooling means of transverter, this cooling means comprises the following steps: S10, determine the power consumption of transverter.S20, regulated the intensity of cooling of the cooling system for cooling transverter by the power consumption of transverter.
By determining the power consumption of transverter, regulate the intensity of cooling of cooling system, thus each location arrangements temperature detection device at transverter can be avoided, system is simplified, and then reach the quantity and corresponding wiring quantity that reduce temperature detection device, reduce the object of production cost.
As shown in Figure 1, the input end of transverter is connected with power supply, and the output terminal of transverter is connected with load, and step S10 comprises: the power P detecting photovoltaic DC electricity
1with the power consumption P of load
2.Determine the power consumption P of transverter
3, wherein, P
3=P
1-P
2.
Due to the power P of power supply
1with the power consumption P of load
2are all known numeric value or can be obtained by simple detection method, thus can by the power consumption P of mathematic interpolation method determination transverter
3, and then can according to the power consumption P of transverter
3regulate the intensity of cooling of cooling system.
Particularly, above-mentioned steps S20 comprises: when the power consumption of transverter rises, increase the intensity of cooling of cooling system; When the power consumption of transverter declines, reduce the intensity of cooling of cooling system.
When the power consumption of transverter rises, the corresponding increase of heat that transverter produces, makes the also corresponding increase of required intensity of cooling.On the contrary, when the power consumption of transverter declines, the corresponding reduction of heat that transverter produces, makes the also corresponding reduction of required intensity of cooling.Regulated the intensity of cooling of cooling system in the embodiment of the present invention by the power consumption of transverter, cooling system can be avoided to keep high intensity of cooling when transverter is in low power consumption, thus can effective economize energy.
When the power consumption of transverter is zero, the quantity of heat production of transverter is zero substantially, now, the intensity of cooling of cooling system can be down to minimum, to reach the object of economize energy.
The total cooling system of the embodiment of the present invention is connected with Control Component, and Control Component gathers the power of power supply and load respectively.Above-mentioned steps S20 comprises: the power consumption being calculated transverter by Control Component, and makes Control Component regulate the intensity of cooling of cooling system according to the power consumption of transverter.
It should be noted that, the power supply in the embodiment of the present invention comprises photovoltaic DC electricity, and above-mentioned transverter comprises: rectifier, inverter and current transformer etc.Rectifier is that alternating current is converted to direct current, and its input end is alternating current; Inverter is that direct current is converted to alternating current, its input end is direct current, current transformer is the electrical equipment that the voltage of power-supply system, frequency, the number of phases and other electricity or characteristic are changed, thus the input of current transformer can be direct current also can for alternating current.
Particularly, as shown in Figure 2, in first embodiment of the invention, above-mentioned cooling system is air cooling system, and air cooling system comprises fan, and above-mentioned transverter is inverter, and step S20 is: when the power consumption of inverter rises, Control Component increases the rotating speed of fan.When the power consumption of inverter declines, Control Component reduces the rotating speed of fan.
As shown in Figure 3, in second embodiment of the invention, above-mentioned cooling system is water-cooling system, water-cooling system comprises Water flow adjusting valve, above-mentioned transverter is inverter, step S20 is: when the power consumption of inverter rises, Control Component increases the aperture of Water flow adjusting valve, to increase the discharge of water-cooling system.When the power consumption of inverter declines, Control Component reduces the aperture of Water flow adjusting valve, to reduce the discharge of water-cooling system.
As shown in Figure 4, in third embodiment of the invention, above-mentioned cooling system is refrigerant cooling system, refrigerant cooling system comprises refrigerant variable valve, above-mentioned transverter is inverter, step S20 is: when the power consumption of inverter rises, Control Component increases the aperture of refrigerant variable valve, to increase the cold medium flux of refrigerant cooling system.When the power consumption of inverter declines, Control Component reduces the aperture of refrigerant variable valve, reduces with the cold medium flux reducing refrigerant cooling system.
From above description, can find out, the above embodiments of the present invention achieve following technique effect: by determining the power consumption of transverter, regulate the intensity of cooling of cooling system, thus each location arrangements temperature detection device at transverter can be avoided, system is simplified, and then reaches the quantity and corresponding wiring quantity that reduce temperature detection device, reduce the object of production cost.
The foregoing is only the preferred embodiments of the present invention, be not limited to the present invention, for a person skilled in the art, the present invention can have various modifications and variations.Within the spirit and principles in the present invention all, any amendment done, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (8)
1. a cooling means for transverter, is characterized in that, comprises the following steps:
S10, determine the power consumption of transverter;
S20, regulated the intensity of cooling of the cooling system for cooling described transverter by the power consumption of described transverter.
2. the cooling means of transverter according to claim 1, the input end of described transverter is connected with power supply, and the output terminal of described transverter is connected with load, it is characterized in that, described step S10 comprises:
Detect the power input P of transverter
1;
Detect the power consumption P of load
2;
Determine the power consumption P of transverter
3, wherein, P
3=P
1-P
2.
3. the cooling means of transverter according to claim 2, it is characterized in that, described step S20 comprises: when the power consumption of described transverter rises, increase the intensity of cooling of described cooling system, when the power consumption of described transverter declines, reduce the intensity of cooling of described cooling system.
4. the cooling means of transverter according to Claims 2 or 3, it is characterized in that, described step S20 comprises: when the power consumption of described transverter is zero, stop the cooling to described transverter.
5. the cooling means of transverter according to claim 3, described cooling system is connected with Control Component, described Control Component gathers the power of described power supply and described load respectively, it is characterized in that, described step S20 comprises: the power consumption being calculated described transverter by described Control Component, and makes described Control Component regulate the intensity of cooling of described cooling system according to the power consumption of described transverter.
6. the cooling means of transverter according to claim 3, described cooling system comprises air cooling system, and described air cooling system comprises fan, it is characterized in that, described step S20 comprises:
When the power consumption of described transverter rises, increase the rotating speed of described fan;
When the power consumption of described transverter declines, reduce the rotating speed of described fan.
7. the cooling means of transverter according to claim 3, described cooling system comprises water-cooling system, and described water-cooling system comprises Water flow adjusting valve, it is characterized in that, described step S20 comprises:
When the power consumption of described transverter rises, increase the aperture of described Water flow adjusting valve, to increase the discharge of described water-cooling system;
When the power consumption of described transverter declines, reduce the aperture of described Water flow adjusting valve, to reduce the discharge of described water-cooling system.
8. the cooling means of transverter according to claim 3, described cooling system comprises refrigerant cooling system, and described refrigerant cooling system comprises refrigerant variable valve, it is characterized in that, described step S20 comprises:
When the power consumption of described transverter rises, increase the aperture of described refrigerant variable valve, to increase the cold medium flux of described refrigerant cooling system;
When the power consumption of described transverter declines, reduce the aperture of described refrigerant variable valve, reduce with the cold medium flux reducing described refrigerant cooling system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310684781.6A CN104714570A (en) | 2013-12-12 | 2013-12-12 | Method for cooling a converter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310684781.6A CN104714570A (en) | 2013-12-12 | 2013-12-12 | Method for cooling a converter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104714570A true CN104714570A (en) | 2015-06-17 |
Family
ID=53413991
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310684781.6A Pending CN104714570A (en) | 2013-12-12 | 2013-12-12 | Method for cooling a converter |
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| Country | Link |
|---|---|
| CN (1) | CN104714570A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106686956A (en) * | 2017-02-23 | 2017-05-17 | 阳光电源股份有限公司 | Heat dissipation method, heat dissipation apparatus and heat dissipation system of wind energy converter |
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|---|---|---|---|---|
| CN201063525Y (en) * | 2007-06-26 | 2008-05-21 | 上海电气风电设备有限公司 | Cooling system of wind power generator frequency converter |
| CN101769262A (en) * | 2008-12-30 | 2010-07-07 | 国际商业机器公司 | Apparatus, system, and method for improved fan control in a power supply |
| JP4525615B2 (en) * | 2006-03-01 | 2010-08-18 | 株式会社デンソー | Power converter |
| CN102270926A (en) * | 2011-08-26 | 2011-12-07 | 株洲变流技术国家工程研究中心有限公司 | On-vehicle high-power current transformer cooling method and cooling system |
| US20130073096A1 (en) * | 2011-09-16 | 2013-03-21 | International Business Machines Corporation | Proactive cooling control using power consumption trend analysis |
-
2013
- 2013-12-12 CN CN201310684781.6A patent/CN104714570A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4525615B2 (en) * | 2006-03-01 | 2010-08-18 | 株式会社デンソー | Power converter |
| CN201063525Y (en) * | 2007-06-26 | 2008-05-21 | 上海电气风电设备有限公司 | Cooling system of wind power generator frequency converter |
| CN101769262A (en) * | 2008-12-30 | 2010-07-07 | 国际商业机器公司 | Apparatus, system, and method for improved fan control in a power supply |
| CN102270926A (en) * | 2011-08-26 | 2011-12-07 | 株洲变流技术国家工程研究中心有限公司 | On-vehicle high-power current transformer cooling method and cooling system |
| US20130073096A1 (en) * | 2011-09-16 | 2013-03-21 | International Business Machines Corporation | Proactive cooling control using power consumption trend analysis |
Non-Patent Citations (1)
| Title |
|---|
| 熊开纬: "《直汉输电用可控硅换流器》", 30 September 1979, 水利电力出版社 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106686956A (en) * | 2017-02-23 | 2017-05-17 | 阳光电源股份有限公司 | Heat dissipation method, heat dissipation apparatus and heat dissipation system of wind energy converter |
| CN106686956B (en) * | 2017-02-23 | 2019-03-01 | 阳光电源股份有限公司 | Wind energy converter heat dissipating method, radiator and cooling system |
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Application publication date: 20150617 |